Morphological and phylogenetic characterisations reveal three new species of Samsoniella (Cordycipitaceae, Hypocreales) from Guizhou, China.

Morphological and phylogenetic characterisations reveal three new species of Samsoniella (Cordycipitaceae, Hypocreales) from Guizhou, China.
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形态学和系统发育特征揭示了中国贵州Samsoniella(虫草科,肉座菌目)的三个新种

DOI:
10.3897/mycokeys.74.56655
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发表时间:
2020
期刊:
影响因子:
3.3
通讯作者:
Liang ZQ
Liang ZQ
中科院分区:
生物学2区
文献类型:
--
作者:
Chen WH;Han YF;Liang JD;Tian WY;Liang ZQ

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摘要参胞虫属的种类主要分布在土壤或落叶中的鳞翅目幼虫或蛹上。本文报道了三新种,即大花参Samsoniellahytterorum,小花参Samsoniellahytterorum。coleopterorum和S.鳞翅目幼虫(lepidopterum),分别寄生于小菜蛾幼虫、鞘翅目幼虫和鳞翅目蛹。与现存物种的形态学比较和基于DNA的多基因(ITS,RPB 1,RPB 2和TEF)数据集的分析支持新物种的建立。不寻常的是,所有三个新物种都有单丝分生孢子梗。新物种明显不同于其他物种在Samsoniella发生在单独的亚支。
Abstract Samsoniella species have been found on lepidopteran larvae or pupae buried in soil or leaf litter. Three new species, Samsoniella hymenopterorum, S. coleopterorum and S. lepidopterorum, parasitic on hymenopteran larvae, coleopteran larvae and lepidopteran pupae, respectively, are reported. Morphological comparisons with extant species and DNA-based phylogenies from analysis of a multigene (ITS, RPB1, RPB2 and TEF) dataset supported the establishment of the new species. Unusually, all three new species have mononematous conidiophores. The new species are clearly distinct from other species in Samsoniella occurring in separate subclades.
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